On Tue, 13 Dec 2005, Paul Jackson wrote: > Eric wrote: > > struct kmem_cache itself will be about 512*8 + some bytes > > then for each cpu a 'struct array_cache' will be allocated (count 128 bytes > > Hmmm ... 'struct array_cache' looks to be about 6 integer words, > so if that is the main per-CPU cost, the minimal cost of a slab > cache (once created, before use) is about 24 bytes per cpu. > > But whether its 24 or 128 bytes per cpu, that's a heavier weight > hammer than is needed here. The main per node costs is struct kmem_list3 on top of the array_cache. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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